/*
 * Proto Streamer
 * Copyright (C) 2009 John Pritchard.
 *
 * This program is free software; you can redistribute it and/or
 * modify it under the terms of the GNU General Public License as
 * published by the Free Software Foundation; either version 2 of the
 * License, or (at your option) any later version.
 * 
 * This program is distributed in the hope that it will be useful, but
 * WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
 * General Public License for more details.
 *
 * You should have received a copy of the GNU General Public License
 * along with this program; if not, write to the Free Software
 * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA
 * 02110-1301 USA.
 */
package p.s;

import java.io.CharArrayWriter;
import java.io.IOException;
import java.nio.charset.Charset;

/**
 * Reads entity body into memory.
 * 
 * @author jdp
 */
public abstract class Reader
    extends Buffer
{


    protected byte[] body;


    public Reader(){
        super();
    }


    public void init(Request request)
        throws IOException
    {
        super.init(request);
        long llen = request.getContentLength();
        if (0L < llen && llen < Integer.MAX_VALUE){
            int len = (int)llen;
            Input in = request.getInput();
            /*
             * Want this to throw out on memory allocation error
             */
            byte[] body = new byte[len];
            int ofs = 0, read;
            while (0 < (read = in.read(body,ofs,len))){
                len -= read;
                ofs += read;
                if (1 > len)
                    break;
            }
            this.body = body;

            if (request.isContentTypeFormUrlencoded()){
                Query query = request.getQuery();
                query.add(new String(body,0,0,body.length));
            }
        }
    }
}
